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Finding the Fourth Proportional to 167.06, 250.59 and 126.56

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Solution

The fourth proportional to 167.06, 250.59 and 126.56 is: 189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.06 : 250.59 = 126.56 : x
  2. Step 2: Convert to fraction form
    167.06/250.59 = 126.56/x
  3. Step 3: Cross multiply
    167.06x = 250.59 × 126.56
  4. Step 4: Simplify right side
    167.06x = 31,714.67
  5. Step 5: Solve for x
    x = 31,714.67/167.06
  6. Step 6: Final answer
    x = 189.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.